89445120 has 72 divisors (see below), whose sum is σ = 285677616. Its totient is φ = 23851008.

The previous prime is 89445119. The next prime is 89445157. The reversal of 89445120 is 2154498.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7807 + ... + 15486.

Almost surely, 2^89445120 is an apocalyptic number.

89445120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89445120 is an abundant number, since it is smaller than the sum of its proper divisors (196232496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89445120 is a wasteful number, since it uses less digits than its factorization.

89445120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23317 (or 23303 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 89445120 is about 9457.5430213137. The cubic root of 89445120 is about 447.2175969642.

The spelling of 89445120 in words is "eighty-nine million, four hundred forty-five thousand, one hundred twenty".